mihomo/proxy/redir/tcp.go
2020-04-25 00:39:30 +08:00

59 lines
1,005 B
Go

package redir
import (
"net"
"github.com/Dreamacro/clash/adapters/inbound"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/tunnel"
)
type RedirListener struct {
net.Listener
address string
closed bool
}
func NewRedirProxy(addr string) (*RedirListener, error) {
l, err := net.Listen("tcp", addr)
if err != nil {
return nil, err
}
rl := &RedirListener{l, addr, false}
go func() {
log.Infoln("Redir proxy listening at: %s", addr)
for {
c, err := l.Accept()
if err != nil {
if rl.closed {
break
}
continue
}
go handleRedir(c)
}
}()
return rl, nil
}
func (l *RedirListener) Close() {
l.closed = true
l.Listener.Close()
}
func (l *RedirListener) Address() string {
return l.address
}
func handleRedir(conn net.Conn) {
target, err := parserPacket(conn)
if err != nil {
conn.Close()
return
}
conn.(*net.TCPConn).SetKeepAlive(true)
tunnel.Add(inbound.NewSocket(target, conn, C.REDIR))
}